Chipping-machine.



J. R. & '1. RAY.

GHIPPING MACHINE.

APPLIUATION FILED MAY :4, 1900.

3 SHEETS-SHEET 1.

Patented Sept. 24, 1912.

J. R. & T. RAY.

OHIPPING MACHINE.

APPLICATION FILED MAY 3, 1909.

1,039,441, Patented Sept. 24, 1912.

3 SHEETS-SHEET 2.

J. R. & T. RAY.

GHIPPING MACHINE.

APPLICATION FILED MAY 3, 1909.

1 ,O39,4;4;1 Patented Sept. 24, 1912.

3 SHEETS-SHEET 3.

JOSHUA R. RAY AND THOMAS RAY, OF MANISTEE, MICHIGAN.

v CHIPPING-MACHINE.

Specification of Letters Patent.

Patented Sept. 24,1912.

Application filed May 3, 1909. Serial No. 493,476.

To all whom it may concern:

Be it known that we, JOSHUA R. Ray and THOMAS RAY, both citizens of theUnited 'States, residing at Manistee, in the county SIZE.

The object of our invention is to provide a simple, strong, andefficient device of the kind described, arranged to produce chips orpieces of substantially uniform or any desired number of differentdimensions in length and width either of which dimensions may be changedto suit the particular purpose for which the chips are to be employed.

To this end our invention consists in the novel construction,arrangement, and combination of parts herein shown and described, andmore particularly pointed out in the claims. I

In the accompanying drawings, wherein like or similar referencecharacters indicate like or corresponding parts; Figure 1 is a sideelevation of our device with parts removed and broken away to moreclearly show the construction. Fig. 2 is a front elevation of the same.Fig. 3 is an enlarged detail of the movable wall of the chute fordirecting the material to the cutter together with a portion of thepiston-rod for controlling its position. Fig. 4 is a top plan view ofour device. Fig. 5 is a sectional detail of the operating valve forcontrollingthe crosssection of the chute. Fig. 6 is an elevation of thepreferred form of cutter blade of our device. Fig. 7 is a detail of themechanism for preventing longitudinal movement of the cutter head shaft.Fig. 8'is a front elevation of the cutter head of our device. Fig. 9 isa section taken substantially on line 99i of Fig. 8; and Fig. 10 is anenlarged fragmentary detail of the cutterhea d. y r

In the preferred form shown in the draw-v ings, our device consists of asuitable frame or base-plate 1, upon which is mounted a pair of bearings2 and 3- or equivalent means. A shaft 4 is supported jointly in thebearings 2 and 3 and rovided intermediate its ends with a cutter sad 5and a drive pulley "6 or any suitable means for rotating said shaft andcutter head. The cutter head 5 may be of any desired form. size, orconstruction. As shown this part consists of a suitably formed diskrigidly secured to the shaft and having one substantially flat face 7provided with a plurality of angular or V-shaped slots 88 extendingthrough the head. A portion of the cutter head adjacent each slot 8 isformed to operate as a seat 15 for receiving a cutter blade 9 andsecurely holding the same in position in the head 5. Each of the blades9 is preferably positioned in a slot 8 with its cutting edge projectingat the face 7 of the cutter head a suitable distance to engage thematerial to be cut and produce a chip of the desired length. The twoportions of each slotare arranged to diverge -toward the direction ofrotation of said head from a circle concentric to the cutter head, thatis, when the cutter head is in operation the several blades secured tothe head will have their edge adjacent the common concentric line abovereferred to, at the rear of the opposite edge of the blade, that is, thegeneral line of the cutting edge of each blade will incline rearwardlyand toward said circle.

Any suitable form or construction of cutting blade may be provided. Inthe form shown a substantially independent cutting blade 9 is providedfor each portion of each slot 8, or if preferred a plurality ofsubstantially independent blades may be provided depending upon themethod employed for securing the blades in position, and the form of thechips desired.

As shown in Fig. 6, the cutting blade is provided with a plurality ofsubstantially V-shaped grooves formed in its face extending to thecutting edge of the blade, so arranged that the cutting edge of eachblade consists, of a connected series of V-shaped notches. One edgeofeach notch is preferably sharpened and adapted to serve as a cuttingportion so that when the blade is positioned in its slot and properlysecured in position as shown in Fig. 10, a series of substantiallyindependent cutting portions .11

are presented at the face of the head 5 each extending in a radialdirection to the cutter head 5 and adapted to o erate substantiallyindependently thereby orming a series of chips or shavings, each chip orshaving corresponding in width to t e width of the cutting portion 11 bywhich it is formed and extending across the entire surface pro-- sentedto the cutters of the material being operated upon.

In the preferred construction shown the grooves 10 are substantially ofuniform size and form so that the several cutting portions 11 of eachblade will be of the same size and will out a substantially equal amountof material thereby producing chips or shavings of substantially uniformdimensions. It" is obvious however that if desired the size and form ofgroove 10 may be altered to suitany peculiar condition which may bepresented so that the width of the cutting portions 11 will not beuniform and will there-' by produce chips or shaving varying in size.The blades 9-9 may be secured in position upon the head 5 in anysuitable manner. In the form shown'each blade is provided with suitableslots 12 or equivalent means and a cap-screw 14 or other suitableholding device.

is provided arranged to extend through each slot into suitable threadedholes'in the blade seat 15 of the cutter head for this purpose.

To secure the best results it is often desirable to adjust'the size ofthe opening 8 through which the blades 99 project and for this purpose athroat-plate 16 or equivalent means is provided upon the face 7 of thecutter head, suitablyformed to control the width of the opening 8 asdesired. Any suitable means may be provided for rigidly securing thethroat-plate 16 in position. In the form shown a recess or depressionis. formed in the face 7 of the cutter head 5 ofsuitable form and depthto receive the: throat-plate and bring its outer face just;

flush with the'face 7. A pluralityvof slotted openings 17 are formedthrough the throat-.5 plate and a suitable cap-screw 18' is pro-' videdfor each opening extending into a suit-, able hole in the cutter head 5to hold the plates, in position in the recess. The openings 17 andscrews 18 are so formed that when the screws are in place holding theplate in position no part of the screws will= project beyond. the faceof the plate.

Means are provided for directing the ma-% terial to be operatedupon tothe cutter'head.

In the form shown a frame or housing 19; is :mounted upon the base 1 andprovided:

with a chute 20 suitably inclined to the face of the cutter head so thatthe cutting blade; Wlll operate upon the material in the chutej with adrawing, or shearing action with the grain of .the wood. In thepreferred construction shown the upper side of the chute 20 is arrangedto be moved transversely of? the chute to control the cross-section ofthechute and to prevent as far as possible the:

movement of the material during the cut-f tin operation.

nysuitable means may be provided for adjusting the position of themovable side 21 and also for firmly locking the same in its; ad ustedposition. .In the form shown a suitable cylinder 22 is provided upon thehousing: 19 havinga, piston 23 fitted to its 1 interior. A piston rod 24is attached to the piston 23 and extends through both heads spectivelyand each extend toa four-way i cock or valve '27 to which is alsoattached a suitable suppl'y'pipe 28 for conducting water or other fluidunder pressure to said device and an exhaust pipe 29' for dischargingthe fluid from the cylinder. 7

The valve 27 maybe of any suitable form. As shown (Fig; 5), this valveis provided with a central opening 30 of the usual or any preferred formand the ports leading from the pipes 25, 26, and 28 to this centralopening are each preferably of substantially the samecross-sectionalarea,while the port leading from the central opening to the exha'ustpipe 29 is preferably very much smaller so that when the movable portion31 of the valve is positioned as shown in Fig. 5, the passage of fluidfrom the supply pipe 28 to the upper end of thecylinder through the pipe25 will be comparatively free and unobstructed while the passageof fluidfrom the lower end of the cylinder through the pipe 26 to the exhaustpipe 29 will be very much obstructed, thus securing a steady evenmovement of the parts and maintaining a considerable pressure upon thefluid thereby tending to firmly hold the piston in any position in thecylinder. Obviously when the part 31 of the valve is rotated to connectthe pipe 26 with the supply pipe 28 and the pipe 25 with the exhaustpipe 29 the action will be substantially the same as above describedexcept that the piston and connected parts will be moved. in theopposite direction. When it is desired to lock the piston in position inthe cylinder 'it is only necessary to so position the rotatable part 31that its ports will not be in communication with any of the portscommunicating with the Y preventing the escape of fluid from either endof the cylinder and preventing any 'several pipes connected to the valvethereby I cover 32 is provided extending from the I the blades 9 areadapted to lie inimmediate contact with each other so that the bladespositioned in the two portions of the slot or opening 8 will operatesubstantially as a sin for ed a sin le blade of suitable form may beemploye in place of the two blades shown in each slot or any desirednumber of separate cutting blades may be provided in place of the singleblades shown so long as the series of cutting portions 11 or theirequivalents are retained as shown in Fig. 10 of the drawings.

Any suitable means maybe provided for holding the shaft 4 againstlongitudinal movement in the bearings and to receive the thrust causedby the material in the chute pressing against the face of the cutterhead 5. As shown 'a part 40 is provided at the center of the face 7 ofthe head 5 to press against one end of the bearin 2; The shaft 4projects slightly beyond t e end of the bearing2 and is there providedwith a longitudinally extended threaded openin 41 and a pin 42 or othersuitable means aciapted to. engage and prevent rotation of the cap 43and distance pieces 44 ositioned betweenthe end of the shaft an the caIn the form shown the cap43 is provide with a central recess 45 to fitthe end of the shaft 4 and with the arts outside the recess faced orotherwise finished to bear against the end a of the bearing 2 andcooperate with the part sufliciently close to prevent the free movethemovable side 21 is adjusted to suit the hence we do not' wis 40 of thehead 5 to hold the shaft against longitudinal movement. A cap-screw 46is provided extending through a central opening in the cap 43 andengaging the opening 41 in the shaft to rigidly secure the cap inposition.

In operation power'is transmitted to the pulley 6 from any suitablesource to rotate the cutter head in the direction indicated in thedrawings (Fig. 2), a strip or any desired number of strips-or logs ofwood are positioned in the chute 20 with their lower ends projectingthrough the chute into contact with the face of the cutter head 5 sothat each blade as it passes the material will remove a portion from theend of each of the strips or logs. The movable side of the chute 21 ismoved down into close contact with the material in the chute 20 but notment of the strips by gravity in the chute, and as the material is cutaway by the action of the blades upon the cutter head other material isinserted in the chute and size and form of the same.

Having thus described our improvement, it is ObVlOllS that variousimmaterial modifications may be made in our device without departingfrom the s irit of our invention,

ii to be understood as e blade. And it is obvious that if pre-.

limiting ourselves to the exact form and construction shown.

What we claim as new, and desire to secure by Letters Patent is 1. In adevice of the character described, a movable cutter head, means forsupporting material to be acted on by said cutter head, and a cuttingblade carried by said cutter head, the ed e of said cutting blade beingprovided wit a plurality of parallel separated cutting portions arrangedparallel to the line of cut. 2. In a device of the character described,a rotatable disk, means for supporting material to be acted on, cuttingmeans carried by and projecting from the face of said disk, said cuttingmeans comprising a plurality of substantially parallel separated cuttingedges arranged in stepped relation and parallel to the line of cut.

3. In a device of the character described, a rotatable disk, and acutting blade projecting from the face thereof, said blade being rovidedwith a pluralitg of V-shaped notc es in the edge thereof, t ecorresponding side of each notch being sharpened to provide a cuttingportion, said cutt ng portions being parallel to each other and to theline of cut.

4. In a device of the characterdescribed, a rotatable disk, a V-sha edcuttlng member'carried thereby, the e ges of which are provided with aplurality of separated cutting portions parallel to each other and tothe line of cut.

5. In a device of the character described, a rotatable disk, a cuttingblade pro ecting from the face of the disk with the edge thereofextending at an angle to the radius of the disk, the edge of saldcutting blade being provided with a plurality of separated cuttingportions parallel to each other and to the line of cut.

6. In a device of the kind described, a rotatable disk, provided withslots therethrough for the reception of cutting blades. cutting bladesfor said slots each provlded with a plurality of substantially V-shapednotches at its cutting edge, with one side of each notch formed tooperate as a cutting portion, in combination with means for deliveringthe material to be operated upon to the face of the disk.

In testimony whereof, we have hereunto signed our names in the presenceof two su scribing witnesses.

JOSHUA R. RAY. THOMAS RAY.

Witnesses:

M. WM. RAn'rKE, HARVEY G. ROYCE.

